[RHSA-2018:1098-01] Important: firefox security update

[Security announcements for all Red Hat products and services.]

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                   Red Hat Security Advisory

Synopsis:          Important: firefox security update
Advisory ID:       RHSA-2018:1098-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:1098
Issue date:        2018-04-10
CVE Names:         CVE-2018-5148 
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1. Summary:

An update for firefox is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - x86_64

3. Description:

Mozilla Firefox is an open-source web browser, designed for standards
compliance, performance, and portability.

This update upgrades Firefox to version 52.7.3 ESR.

Security Fix(es):

* firefox: Use-after-free in compositor potentially allows code execution
(CVE-2018-5148)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the update, Firefox must be restarted for the changes to
take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1560928 - CVE-2018-5148 firefox: Use-after-free in compositor potentially allows code execution

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
firefox-52.7.3-1.el6_9.src.rpm

i386:
firefox-52.7.3-1.el6_9.i686.rpm
firefox-debuginfo-52.7.3-1.el6_9.i686.rpm

x86_64:
firefox-52.7.3-1.el6_9.x86_64.rpm
firefox-debuginfo-52.7.3-1.el6_9.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

x86_64:
firefox-52.7.3-1.el6_9.i686.rpm
firefox-debuginfo-52.7.3-1.el6_9.i686.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:
firefox-52.7.3-1.el6_9.src.rpm

x86_64:
firefox-52.7.3-1.el6_9.i686.rpm
firefox-52.7.3-1.el6_9.x86_64.rpm
firefox-debuginfo-52.7.3-1.el6_9.i686.rpm
firefox-debuginfo-52.7.3-1.el6_9.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
firefox-52.7.3-1.el6_9.src.rpm

i386:
firefox-52.7.3-1.el6_9.i686.rpm
firefox-debuginfo-52.7.3-1.el6_9.i686.rpm

ppc64:
firefox-52.7.3-1.el6_9.ppc64.rpm
firefox-debuginfo-52.7.3-1.el6_9.ppc64.rpm

s390x:
firefox-52.7.3-1.el6_9.s390x.rpm
firefox-debuginfo-52.7.3-1.el6_9.s390x.rpm

x86_64:
firefox-52.7.3-1.el6_9.x86_64.rpm
firefox-debuginfo-52.7.3-1.el6_9.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

ppc64:
firefox-52.7.3-1.el6_9.ppc.rpm
firefox-debuginfo-52.7.3-1.el6_9.ppc.rpm

s390x:
firefox-52.7.3-1.el6_9.s390.rpm
firefox-debuginfo-52.7.3-1.el6_9.s390.rpm

x86_64:
firefox-52.7.3-1.el6_9.i686.rpm
firefox-debuginfo-52.7.3-1.el6_9.i686.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
firefox-52.7.3-1.el6_9.src.rpm

i386:
firefox-52.7.3-1.el6_9.i686.rpm
firefox-debuginfo-52.7.3-1.el6_9.i686.rpm

x86_64:
firefox-52.7.3-1.el6_9.x86_64.rpm
firefox-debuginfo-52.7.3-1.el6_9.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

x86_64:
firefox-52.7.3-1.el6_9.i686.rpm
firefox-debuginfo-52.7.3-1.el6_9.i686.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2018-5148
https://access.redhat.com/security/updates/classification/#important
https://www.mozilla.org/en-US/security/advisories/mfsa2018-10/

8. Contact:

The Red Hat security contact is <secalert at redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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